Complete the table. Simpson Blood Type RBC Antigens Plasma Antibodies Homer A-negative A Anti B Marge B-positive B Anti A Bart O-positive None Anti A and Anti B Lisa A-negative A Anti B Maggie AB-negative A and B None Monday Afternoon The following day, tragedy strikes as Bart rushes home from school on his skateboard. Approaching an intersection, he fails to use proper safety procedures and he careens into the intersection without looking both ways. Before he can utter, “Ay, Caramba!” a speeding car hits Bart, sending him flying into the air. The car doesn’t even slow down as the figure in the passenger seat asks the driver, “Smithers, did you feel something?” Smithers shrugs and replies, “Probably just a pothole, sir.” Unfortunately, Bart has also failed to wear proper safety equipment and he is badly hurt in the accident. A passerby calls an ambulance and Bart is rushed to Springfield Hospital. “Bart has lost a lot of blood, and he’s going to need a transfusion.” Dr. Hibbert explains to Homer and Marge. “But unfortunately, the Springfield Blood Bank has had to close because of the governor’s budget cuts.” Marge gasps in horror. “Oh, my special little guy! Homer and I will give blood for Bart’s transfusion! So will Lisa!” “No!” exclaims Lisa. “You can’t give blood to Bart! None of us can!” “Lisa!” shouts Homer. “Bart is your brother and you love him. You’ll give him your blood for his transfusion and that’s that! Every drop!” “You don’t understand!” replies Lisa. “None of us can give our blood to Bart”. Explain what Lisa means when she says “None of us can give blood to Bart”. “D’oh!” exclaims Homer as he hears, but doesn’t really understand, Lisa’s explanation. “What’s to become of the boy?!” “What’s this?” muses Dr. Hibbert as he pulls two plastic bags containing red liquid from his lab coat pocket. “Why, this looks like those pints of blood I took from the blood bank before it closed last week. I wondered where they went!” Dr. Hibbert chuckles jovially. “Now if only I could remember what blood type they are. Now I wish I hadn’t torn off the labels!” Dr. Hibbert rushes to the lab to type the mystery blood with anti-sera. “They both taste like the right blood type,” he muses to himself. “But I’d better be sure. Malpractice lawsuits can be so expensive these days!” He tests a small amount of each unknown with the results shown in the following table. Complete the table. Sample Anti-A serum Anti-B serum Anti-Rh serum Blood type OK for Bart? 1 Agglutination Agglutination No agglutination AB negative no 2 No agglutination No agglutination No agglutination O negative yes Grabbing the correct packet of blood, Dr. Hibbert performs the transfusion and Bart is saved! Tuesday Afternoon It will take some time for Bart’s wounds to heal, but since he’s not in critical condition anymore, Springfield Fly By Night Medical Insurance Group, Ltd., a wholly-owned subsidiary of the Montgomery Burns Power Company, has ordered that Bart be discharged from the hospital. At home that night, Bart is his usual petulant self. “Thanks for nothing, Lis!” he quips. “At least I know that if you ever need blood I can’t give you my blood either!” “Oh, but you can, dear brother!” smirks Lisa. “At least you could one time.” “Huh?” Bart is confused. “What do you mean one time?” What does Lisa mean that Bart can only give her blood one time? “Well I still wouldn’t do it!” Bart snaps, defiantly. “But even if I did, why couldn’t I do it a second time?” Why can’t Bart give Lisa blood a second time? Well, then, I guess you better be nice to me, or else I might sneak up on you when you least expect it and donate blood to you twice!”
Sunday Afternoon
It’s another beautiful day in Springfield and the Simpson family has decided to take a family
outing to the Springfield Clinic to have their blood types tested. A few pin-pricks later, they
have their information, which is summarized in the table below. (If you’ve been marooned on a
deserted island without TV reception for the past 20 years: Homer and Marge are the parents;
Bart, Lisa and Maggie are their three children.)
- Complete the table.
|
Simpson |
Blood Type |
RBC Antigens |
Plasma Antibodies
|
|
Homer
|
A-negative |
A |
Anti B |
|
Marge
|
B-positive |
B |
Anti A |
|
Bart
|
O-positive |
None |
Anti A and Anti B |
|
Lisa
|
A-negative |
A |
Anti B |
|
Maggie
|
AB-negative |
A and B |
None |
Monday Afternoon
The following day, tragedy strikes as Bart rushes home from school on his skateboard.
Approaching an intersection, he fails to use proper safety procedures and he careens into the
intersection without looking both ways. Before he can utter, “Ay, Caramba!” a speeding car hits
Bart, sending him flying into the air. The car doesn’t even slow down as the figure in the
passenger seat asks the driver, “Smithers, did you feel something?” Smithers shrugs and
replies, “Probably just a pothole, sir.” Unfortunately, Bart has also failed to wear proper safety
equipment and he is badly hurt in the accident. A passerby calls an ambulance and Bart is rushed to
Springfield Hospital. “Bart has lost a lot of blood, and he’s going to need a transfusion.” Dr. Hibbert
explains to Homer and Marge. “But unfortunately, the Springfield Blood Bank has had to close because
of the governor’s budget cuts.” Marge gasps in horror. “Oh, my special little guy! Homer and I will give
blood for Bart’s transfusion! So will Lisa!”
“No!” exclaims Lisa. “You can’t give blood to Bart! None of us can!” “Lisa!” shouts Homer. “Bart is your
brother and you love him. You’ll give him your blood for his transfusion and that’s that! Every drop!”
“You don’t understand!” replies Lisa. “None of us can give our blood to Bart”.
- Explain what Lisa means when she says “None of us can give blood to Bart”.
“D’oh!” exclaims Homer as he hears, but doesn’t really understand, Lisa’s explanation. “What’s to become of the boy?!” “What’s this?” muses Dr. Hibbert as he pulls two plastic bags containing red liquid from his lab coat pocket. “Why, this looks like those pints of blood I took from the blood bank before it closed last week. I wondered where they went!” Dr. Hibbert chuckles jovially. “Now if only I could remember what blood type they are. Now I wish I hadn’t torn off the labels!” Dr. Hibbert rushes to the lab to type the mystery blood with anti-sera. “They both taste like the right blood type,” he muses to himself. “But I’d better be sure. Malpractice lawsuits can be so expensive these days!” He tests a small amount of each unknown with the results shown in the following table.
- Complete the table.
|
Sample |
Anti-A serum |
Anti-B serum |
Anti-Rh serum |
Blood type |
OK for Bart? |
|
1
|
Agglutination |
Agglutination |
No agglutination |
AB negative |
no |
|
2 |
No agglutination |
No agglutination |
No agglutination
|
O negative |
yes |
Grabbing the correct packet of blood, Dr. Hibbert performs the transfusion and Bart is saved!
Tuesday Afternoon
It will take some time for Bart’s wounds to heal, but since he’s not in critical condition anymore, Springfield Fly By Night Medical Insurance Group, Ltd., a wholly-owned subsidiary of the Montgomery Burns Power Company, has ordered that Bart be discharged from the hospital. At home that night, Bart is his usual petulant self. “Thanks for nothing, Lis!” he quips. “At least I know that if you ever need blood I can’t give you my blood either!” “Oh, but you can, dear brother!” smirks Lisa. “At least you could one time.” “Huh?” Bart is confused. “What do you mean one time?”
- What does Lisa mean that Bart can only give her blood one time?
“Well I still wouldn’t do it!” Bart snaps, defiantly. “But even if I did, why couldn’t I do it a second time?”
- Why can’t Bart give Lisa blood a second time?
Well, then, I guess you better be nice to me, or else I might sneak up on you when you least expect it and donate blood to you twice!”
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